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公开(公告)号：US20170250380A1
公开(公告)日：2017-08-31
申请号：US15391221
申请日：2016-12-27
Applicant: Japan Display Inc.
Inventor： Daisuke KATO
CPC classification number: H01L51/56 , H01L51/5203 , H01L51/5246 , H01L51/5253 , H01L51/5259
Abstract: A light-emitting element layer and an element layer, which includes an anode and a cathode that sandwich the light-emitting element layer, are formed, and a sealing film is formed so as to cover the entire element layer. In the step of forming the sealing film, a first inorganic film is formed on the element layer. An organic film is formed on the first inorganic film. The organic film is ashed by using a foreign substance remaining on the organic film as a mask such that the organic film is left at least immediately below the mask and removed from at least a part of other areas. After the organic film is ashed, a second inorganic film is formed at least on the first inorganic film.
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公开(公告)号：US20170187000A1
公开(公告)日：2017-06-29
申请号：US15363734
申请日：2016-11-29
Applicant: Japan Display Inc.
Inventor： Daisuke KATO
CPC classification number: H01L51/5259 , H01L27/322 , H01L27/3244 , H01L27/3272 , H01L27/3276 , H01L33/483 , H01L51/5237 , H01L51/5243 , H01L51/5246 , H01L51/525 , H01L51/56
Abstract: A display device, which includes a display region constituted by a plurality of pixels, includes a first substrate having a hygroscopic agent formed in a peripheral region outside the display region and a sealing film covering the hygroscopic agent, a second substrate disposed facing the first substrate, and an adhesive layer, at least a portion of which is disposed closer to the side of the display region than the hygroscopic agent, and which bonds the first substrate to the second substrate.
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公开(公告)号：US20230422583A1
公开(公告)日：2023-12-28
申请号：US18340041
申请日：2023-06-23
Applicant: Japan Display Inc.
Inventor： Daisuke KATO , Hiraaki KOKAME , Noriyuki HIRATA
CPC classification number: H10K59/8731 , H10K59/1201
Abstract: According to one embodiment, a manufacturing method of a display device includes preparing a processing substrate by forming a lower electrode, forming a rib, and forming a partition, forming an organic layer on the lower electrode, forming an upper electrode on the organic layer, forming a cap layer on the upper electrode, forming a sealing layer on the cap layer, forming a patterned resist on the sealing layer, and removing the sealing layer exposed from the resist by dry etching. The sealing layer includes a first high-density layer and a low-density layer. When dry etching is applied to the sealing layer, an etching rate of the low-density layer is greater than an etching rate of the first high-density layer.
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公开(公告)号：US20230180516A1
公开(公告)日：2023-06-08
申请号：US18164686
申请日：2023-02-06
Applicant: Japan Display Inc.
Inventor： Daisuke KATO , Kaichi FUKUDA
IPC: H10K50/844 , H10K50/11 , H10K59/12 , H10K59/122 , H10K59/124 , H10K59/121
CPC classification number: H10K50/8445 , H10K50/11 , H10K50/844 , H10K59/12 , H10K59/122 , H10K59/124 , H10K59/1216 , H10K59/1201 , H10K2102/00
Abstract: According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.
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公开(公告)号：US20160293685A1
公开(公告)日：2016-10-06
申请号：US15186125
申请日：2016-06-17
Applicant: Japan Display Inc.
Inventor： Daisuke KATO , Kaichi FUKUDA
CPC classification number: H01L51/5256 , H01L27/3244 , H01L27/3246 , H01L27/3258 , H01L27/3265 , H01L51/5012 , H01L51/5253 , H01L2227/323 , H01L2251/301
Abstract: According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.
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Patent Agency Ranking
公开(公告)号：US20160043151A1
公开(公告)日：2016-02-11
申请号：US14818555
申请日：2015-08-05
Applicant: Japan Display Inc.
Inventor： Daisuke KATO
CPC classification number: H01L51/5253 , H01L27/3246 , H01L27/3258
Abstract: A bank partitions a plurality of pixels and has an opening in each of the plurality of pixels. An organic layer includes a light emitting layer, and covers the bank opening. A first inorganic barrier layer is formed of an inorganic material, and covers the bank and the organic layer. A plurality of organic barrier portions are formed of organic materials, and are disposed on the first inorganic barrier layer. A second inorganic barrier layer is formed of the inorganic material, and covers the first inorganic barrier layer and the plurality of organic barrier portions. A recessed portion is formed on the bank and the first inorganic barrier layer (for example, the recessed portion is formed in an area which covers a contact hole), and a portion of the organic barrier portion is formed in the recessed portion.
Abstract translation: 银行分隔多个像素，并且在多个像素中的每一个中具有开口。 有机层包括发光层，并覆盖堤岸开口。 第一无机阻挡层由无机材料形成，并且覆盖堤岸和有机层。 多个有机阻挡部分由有机材料形成，并且设置在第一无机阻挡层上。 第二无机阻挡层由无机材料形成，并且覆盖第一无机阻挡层和多个有机阻挡部分。 凹部形成在堤岸上，第一无机阻挡层（例如，凹部形成在覆盖接触孔的区域中），有机阻挡部分的一部分形成在凹部中。
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公开(公告)号：US20210408480A1
公开(公告)日：2021-12-30
申请号：US17474749
申请日：2021-09-14
Applicant: Japan Display Inc.
Inventor： Daisuke KATO
Abstract: A display device including a substrate, a transistor, a leveling film, a display element, a dam, and a guide. The substrate has a display region and a periphery region surrounding the display region. The transistor is located over the display region. The leveling film is located over and covers the transistor. The display element is located over the leveling film and is electrically connected to the transistor. The dam is located over the peripheral region and surrounds the display region. The guide is located between the leveling film and the dam and surrounds the display region. The guide includes a first organic compound included in the leveling film.
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公开(公告)号：US20180145281A1
公开(公告)日：2018-05-24
申请号：US15873988
申请日：2018-01-18
Applicant: Japan Display Inc.
Inventor： Daisuke KATO
CPC classification number: H01L51/5253 , H01L27/3246 , H01L27/3258
Abstract: A bank partitions a plurality of pixels and has an opening in each of the plurality of pixels. An organic layer includes a light emitting layer, and covers the bank opening. A first inorganic barrier layer is formed of an inorganic material, and covers the bank and the organic layer. A plurality of organic barrier portions are formed of organic materials, and are disposed on the first inorganic barrier layer. A second inorganic barrier layer is formed of the inorganic material, and covers the first inorganic barrier layer and the plurality of organic barrier portions. A recessed portion is formed on the bank and the first inorganic barrier layer (for example, the recessed portion is formed in an area which covers a contact hole), and a portion of the organic barrier portion is formed in the recessed portion.
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公开(公告)号：US20180047941A1
公开(公告)日：2018-02-15
申请号：US15726028
申请日：2017-10-05
Applicant: Japan Display Inc.
Inventor： Daisuke KATO , Kaichi FUKUDA
CPC classification number: H01L51/5256 , H01L27/3244 , H01L27/3246 , H01L27/3258 , H01L27/3265 , H01L51/5012 , H01L51/5253 , H01L2227/323 , H01L2251/301
Abstract: According to one embodiment, an organic semiconductor device includes a supporting substrate, a plurality of organic EL light emitting elements, a first barrier layer, a flattening layer, and a second barrier layer. The flattening layer exists sporadically and makes gentle in inclination steep elevation change present in the surface of the first barrier layer. The first barrier layer and the second barrier layer are made of moisture penetration preventive material.
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公开(公告)号：US20170309863A1
公开(公告)日：2017-10-26
申请号：US15643538
申请日：2017-07-07
Applicant: Japan Display Inc.
Inventor： Daisuke KATO
CPC classification number: H01L51/5253 , H01L27/3246 , H01L27/3258
Abstract: A bank partitions a plurality of pixels and has an opening in each of the plurality of pixels. An organic layer includes a light emitting layer, and covers the bank opening. A first inorganic barrier layer is formed of an inorganic material, and covers the bank and the organic layer. A plurality of organic barrier portions are formed of organic materials, and are disposed on the first inorganic barrier layer. A second inorganic barrier layer is formed of the inorganic material, and covers the first inorganic barrier layer and the plurality of organic barrier portions. A recessed portion is formed on the bank and the first inorganic barrier layer (for example, the recessed port ion is formed in an area which covers a contact hole), and a portion of the organic barrier portion is formed in the recessed portion.
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